Jeremy Soller
78 lines
1.9 KiB
Makefile
78 lines
1.9 KiB
Makefile
TARGET?=x86-unknown-none
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BUILD=build/$(TARGET)
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export RUST_TARGET_PATH=$(CURDIR)/targets
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ifeq ($(TARGET),x86-unknown-none)
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export LD=ld -m elf_i386
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export OBJCOPY=objcopy
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export PARTED=parted
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export QEMU=qemu-system-x86_64
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all: $(BUILD)/bootloader.bin
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else
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all:
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$(error target $(TARGET) not supported by bootloader yet)
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endif
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clean:
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rm -rf build
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$(BUILD)/libbootloader.a: Cargo.lock Cargo.toml src/**
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mkdir -p $(BUILD)
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cargo rustc --lib --target $(TARGET) --release -- -C soft-float -C debuginfo=2 --emit link=$@
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$(BUILD)/bootloader.elf: linkers/$(TARGET).ld $(BUILD)/libbootloader.a
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mkdir -p $(BUILD)
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$(LD) --gc-sections -z max-page-size=0x1000 -T $< -o $@ $(BUILD)/libbootloader.a && \
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$(OBJCOPY) --only-keep-debug $@ $@.sym && \
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$(OBJCOPY) --strip-debug $@
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$(BUILD)/bootloader.bin: $(BUILD)/bootloader.elf asm/$(TARGET)/**
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mkdir -p $(BUILD)
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nasm -f bin -o $@ -l $@.lst -D STAGE3=$< -iasm/$(TARGET) asm/$(TARGET)/bootloader.asm
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$(BUILD)/filesystem:
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mkdir -p $(BUILD)
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rm -f $@.partial
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mkdir $@.partial
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fallocate -l 1MiB $@.partial/kernel
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mv $@.partial $@
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$(BUILD)/filesystem.bin: $(BUILD)/filesystem
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mkdir -p $(BUILD)
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rm -f $@.partial
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fallocate -l 255MiB $@.partial
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redoxfs-ar $@.partial $<
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mv $@.partial $@
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$(BUILD)/harddrive.bin: $(BUILD)/bootloader.bin $(BUILD)/filesystem.bin
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mkdir -p $(BUILD)
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rm -f $@.partial
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fallocate -l 256MiB $@.partial
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$(PARTED) -s -a minimal $@.partial mklabel msdos
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$(PARTED) -s -a minimal $@.partial mkpart primary 1MiB 100%
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dd if=$< of=$@.partial bs=1 count=446 conv=notrunc
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dd if=$< of=$@.partial bs=512 skip=1 seek=1 conv=notrunc
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dd if=$(BUILD)/filesystem.bin of=$@.partial bs=1MiB seek=1 conv=notrunc
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mv $@.partial $@
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qemu: $(BUILD)/harddrive.bin
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$(QEMU) \
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-d cpu_reset \
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-d guest_errors \
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-no-reboot \
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-smp 4 -m 2048 \
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-chardev stdio,id=debug,signal=off,mux=on \
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-serial chardev:debug \
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-mon chardev=debug \
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-machine q35 \
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-net none \
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-enable-kvm \
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-cpu host \
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-drive file=$<,format=raw
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